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Upper airways obstruction 

Upper airways obstruction
Upper airways obstruction

J.R. Stradling

and S.E. Craig

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date: 19 September 2021

At resting levels of ventilation, the main airway can be reduced to a diameter of 3 mm or so before respiratory distress and stridor occur. Little more narrowing is required to precipitate complete asphyxia, hence when upper airways obstruction is suspected, assessment of severity, diagnosis, and treatment is a medical emergency....

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